<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>  </title>
    <link rel="stylesheet" href="./css/02.css">
    <style>
        p{
            color: blue;
        }
    </style>
</head>
<body>
    
    <p style="color: green;">你好啊！</p>

</body>
</html>